TY  - GEN
TY  - GEN
T1  - Useful optics
T2  - Chicago lectures in physics
A1  - Welford, W. T.
LA  - eng
PP  - Chicago
PB  - University of Chicago Press
YR  - 1991
UL  - https://kansalliskirjasto.finna.fi/Record/helka.9913546273506253
SN  - 0-226-89305-7
SN  - 0-226-89306-5 pehmeäkantinen
KW  - Optical instruments.
KW  - Optics.
ER  -